BaGa4Se7 (BGSe) and BaGa2GeSe(BGGSe) crystals are novel infrared nonlinear optical products independently developed by Chinese researchers. As a result of outstanding extensive efficiency along with the crucial application benefit in laser marketplace, they've captivated Substantially focus at your home and overseas.
two–10.8-µm wavelength location. A different critical limitation from the pump electric power linked by using a thermal lensing result in crystal was determined experimentally. A comparison was product of AgGaSe2 and ZnGeP2 crystals as products suited to the effective technology of the next harmonic of cw CO2 laser radiation.
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We make substantial-order harmonics from crystalline solids using a tunable mid-IR OPA with fifty kHz repetition rate. Employing nonlinear self-compression in YAG crystals, we generate sub 3-cycle pulses at 3.8 μm wavelength for high harmonic spectroscopy. Go through a lot more
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0 Abstract Abstract: BaGa4Se7 (BGSe) and BaGa2GeSe6 (BGGSe) crystals are novel infrared nonlinear optical resources independently designed by Chinese experts. As a result of outstanding extensive functionality and the important application worth in laser sector, they have got captivated Substantially interest at your house and overseas.
Intraband magnetotransmission and magnetophotoconductivity had been calculated around eighteen T employing CO2 laser strains. The cyclotron resonance and merged resonance harmonics are used to determine the Trade interaction in an HgMnTe crystal. The experiment also evidences the freezing of electrons from the donor condition. Browse a lot more
In the past decades, mid-infrared (3–12 μm) laser resources making use of crystals with nonlinear optical properties have captivated a selected consideration because of their possible purposes in different fields including optical counter-measures and remote chemical sensing. As transparency of typical oxide crystals is restricted to about 4 μm, quite a few researches are actually centered on chalcopyrite compounds as a consequence of their wide transparency from the mid-IR selection as well as their sturdy nonlinear optical coefficients. There exists a have to have of these kinds of crystals ready to convert effectively the around infrared wavelengths from commercially out there lasers into wavelengths higher than 5 μm by way of Optical Parametric Oscillators (OPO) techniques.
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24% which can be equivalent with just one obtained with significant repetition price very low-Strength laser methods like in [9]. Considering a likelihood to enhance pump pulse Strength of our set up around ~10 mJ, the DFG pulse Power is often elevated as many as ~24 μJ at the same effectiveness, however, it required a wide-aperture, ~15 mm in diameter BGGSe sample. Regular DFG pulse Power in AGS wasn't confidently calculated with Ophir-3A power meter as a consequence of its lower sign.
A thermo-optic dispersion formula for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a two G e S e six nonlinear crystal is claimed. The experimentally identified temperature-dependent phase-matching ailments for second-harmonic and sum-frequency era of Nd:YAG laser-pumped KTiOPO4 rm KTiOPO _4 K T i O P O four (KTP) and RbTiOAsO4 rm RbTiOAsO _4 R b T i O A s O 4 (RTA) optical parametric oscillators in addition to a CO2 rm CO _2 C O two laser and its harmonics within the 0.
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Barium gallium germanium selenium (BaGa2GeSe6, BGGSe) crystal is usually a novel infrared nonlinear optical substance with great general performance, which was discovered by Chinese scientists. Thus far, there's no report on massive size solitary crystal expansion of the crystal in China. In this study, polycrystalline BGGSe was synthesized correctly through the use of a self-manufactured two-zone furnace with the level of 400 g in a single run.
BaGa2GeSe6 crystals are employed for nonlinear optical frequency conversion here inside their transparency selection. The wavelengths at which highest conversion efficiencies might be received along with the tuning selection for change-frequency era are identified.